// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level
// directory of this distribution and at http://opencv.org/license.html.

#ifndef OPENCV_IMGCODECS_LEGACY_CONSTANTS_H
#define OPENCV_IMGCODECS_LEGACY_CONSTANTS_H

/* duplicate of "ImreadModes" enumeration for better compatibility with
 * OpenCV 3.x */
enum
{
    /* 8bit, color or not */
    CV_LOAD_IMAGE_UNCHANGED = -1,
    /* 8bit, gray */
    CV_LOAD_IMAGE_GRAYSCALE = 0,
    /* ?, color */
    CV_LOAD_IMAGE_COLOR = 1,
    /* any depth, ? */
    CV_LOAD_IMAGE_ANYDEPTH = 2,
    /* ?, any color */
    CV_LOAD_IMAGE_ANYCOLOR = 4,
    /* ?, no rotate */
    CV_LOAD_IMAGE_IGNORE_ORIENTATION = 128
};

/* duplicate of "ImwriteFlags" enumeration for better compatibility with
 * OpenCV 3.x */
enum
{
    CV_IMWRITE_JPEG_QUALITY = 1,
    CV_IMWRITE_JPEG_PROGRESSIVE = 2,
    CV_IMWRITE_JPEG_OPTIMIZE = 3,
    CV_IMWRITE_JPEG_RST_INTERVAL = 4,
    CV_IMWRITE_JPEG_LUMA_QUALITY = 5,
    CV_IMWRITE_JPEG_CHROMA_QUALITY = 6,
    CV_IMWRITE_PNG_COMPRESSION = 16,
    CV_IMWRITE_PNG_STRATEGY = 17,
    CV_IMWRITE_PNG_BILEVEL = 18,
    CV_IMWRITE_PNG_STRATEGY_DEFAULT = 0,
    CV_IMWRITE_PNG_STRATEGY_FILTERED = 1,
    CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY = 2,
    CV_IMWRITE_PNG_STRATEGY_RLE = 3,
    CV_IMWRITE_PNG_STRATEGY_FIXED = 4,
    CV_IMWRITE_PXM_BINARY = 32,
    CV_IMWRITE_EXR_TYPE = 48,
    CV_IMWRITE_WEBP_QUALITY = 64,
    CV_IMWRITE_PAM_TUPLETYPE = 128,
    CV_IMWRITE_PAM_FORMAT_NULL = 0,
    CV_IMWRITE_PAM_FORMAT_BLACKANDWHITE = 1,
    CV_IMWRITE_PAM_FORMAT_GRAYSCALE = 2,
    CV_IMWRITE_PAM_FORMAT_GRAYSCALE_ALPHA = 3,
    CV_IMWRITE_PAM_FORMAT_RGB = 4,
    CV_IMWRITE_PAM_FORMAT_RGB_ALPHA = 5,
};

#endif  // OPENCV_IMGCODECS_LEGACY_CONSTANTS_H
